123 lines
15 KiB
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123 lines
15 KiB
XML
<document id="A8E6B67A4FD439EF46130BE24DD875CF" ID-DOI="10.24199/j.mmv.2022.81.01" ID-ISSN="1447-2554" ID-ZooBank="urn:lsid:zoobank.org:pub:53DAFE4A-6C49-42A0-9D44-F37B03FBA7F0" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1708006822082" checkinUser="felipe" docAuthor="Lu, Chung Cheng & Okutani, Takashi" docDate="2022" docId="C81B87938F12FFE95F9873A683FAFDD9" docLanguage="en" docName="MemMusVictoria.81.1-23.pdf" docOrigin="Memoirs of Museum Victoria 81" docSource="http://dx.doi.org/10.24199/j.mmv.2022.81.01" docStyle="DocumentStyle:5B3B5C052A93BFEEE334AD6097A94E45.2:MemMusVictoria.2003-.journal_article.type1" docStyleId="5B3B5C052A93BFEEE334AD6097A94E45" docStyleName="MemMusVictoria.2003-.journal_article.type1" docStyleVersion="2" docTitle="Dextrasepiola Lu & Okutani 2022, n. gen." docType="treatment" docVersion="1" lastPageNumber="2" masterDocId="3422FFEB8F13FFEB5F0B75448171FFE0" masterDocTitle="Two new genera and species of sepioline squids (Cephalopoda: Sepiolidae) from Australia" masterLastPageNumber="23" masterPageNumber="1" pageNumber="2" updateTime="1708006824605" updateUser="felipe" zenodo-license-document="CC-BY-4.0">
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<mods:title id="CD34668E2D9D637B8CB7D4C7AE111B72">Two new genera and species of sepioline squids (Cephalopoda: Sepiolidae) from Australia</mods:title>
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<mods:namePart id="87EF3B98787D2F7945B9499713A63CAE">Lu, Chung Cheng</mods:namePart>
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<mods:namePart id="B8D991D2537C6386FE4C2DB481871088">Okutani, Takashi</mods:namePart>
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<mods:title id="2C65E76BF0FDF7858F5A96B6741AC4F1">Memoirs of Museum Victoria</mods:title>
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<mods:date id="707225D619D9FBB09819BBDF05783DFE">2022</mods:date>
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<mods:number id="A2B35CC39D7EDFFAF717F0D748BADE9D">2022-12-31</mods:number>
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<mods:number id="AAE46E774A2A8B93F38108398548446E">81</mods:number>
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<mods:url id="EE8769A98DF112029AA5DBCFB6F711C8">http://dx.doi.org/10.24199/j.mmv.2022.81.01</mods:url>
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<mods:identifier id="B1E0D87119BA3C1394F9545B7654B886" type="DOI">10.24199/j.mmv.2022.81.01</mods:identifier>
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<treatment id="C81B87938F12FFE95F9873A683FAFDD9" LSID="urn:lsid:plazi:treatment:C81B87938F12FFE95F9873A683FAFDD9" httpUri="http://treatment.plazi.org/id/C81B87938F12FFE95F9873A683FAFDD9" lastPageId="2" lastPageNumber="2" pageId="1" pageNumber="2">
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<subSubSection id="08A8650E8F12FFEA5F9873A68002F918" box="[147,371,1762,1784]" pageId="1" pageNumber="2" type="nomenclature">
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<paragraph id="400D36858F12FFEA5F9873A68002F918" blockId="1.[147,371,1762,1784]" box="[147,371,1762,1784]" pageId="1" pageNumber="2">
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<heading id="1B4581E98F12FFEA5F9873A68002F918" bold="true" box="[147,371,1762,1784]" fontSize="9" level="2" pageId="1" pageNumber="2" reason="2">
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<emphasis id="72C6EA978F12FFEA5F9873A68002F918" bold="true" box="[147,371,1762,1784]" pageId="1" pageNumber="2">
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<taxonomicName id="87B24D068F12FFEA5F9873A68057F918" ID-CoL="8V3LF" authority="Lu & Okutani, 2022" authorityName="Lu & Okutani" authorityYear="2022" box="[147,294,1762,1784]" class="Cephalopoda" family="Sepiolidae" genus="Dextrasepiola" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="2" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis id="72C6EA978F12FFEA5F9873A68057F918" bold="true" box="[147,294,1762,1784]" italics="true" pageId="1" pageNumber="2">Dextrasepiola</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="69F557EC8F12FFEA5E2673A78002F918" box="[301,371,1763,1784]" pageId="1" pageNumber="2" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="08A8650E8F12FFE95F98725483FAFDD9" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2" type="materials_examined">
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<paragraph id="400D36858F12FFEA5F9872548276F8C4" blockId="1.[147,775,1807,1829]" box="[147,775,1807,1829]" pageId="1" pageNumber="2">
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<emphasis id="72C6EA978F12FFEA5F9872548082F8C5" box="[147,499,1807,1829]" italics="true" pageId="1" pageNumber="2">
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<typeStatus id="9F0988278F12FFEA5F98725481B3F8C5" box="[147,194,1808,1829]" pageId="1" pageNumber="2">Type</typeStatus>
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Species:
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<taxonomicName id="87B24D068F12FFEA5E28724B8082F8C5" authority="Lu & Okutani, 2022" authorityName="Lu & Okutani" authorityYear="2022" box="[291,499,1807,1829]" class="Cephalopoda" family="Sepiolidae" genus="Dextrasepiola" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="2" phylum="Mollusca" rank="species" species="taenia" status="n. gen., n. sp.">Dextrasepiola taenia</taxonomicName>
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</emphasis>
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<taxonomicNameLabel id="69F557EC8F12FFEA5EF2724B830DF8C4" box="[505,636,1807,1828]" pageId="1" pageNumber="2" rank="species">n. gen., n. sp.</taxonomicNameLabel>
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by monotypy
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</paragraph>
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<paragraph id="400D36858F12FFEA5F987278854CF9C9" blockId="1.[147,778,1852,1903]" lastBlockId="1.[815,1450,1140,1577]" pageId="1" pageNumber="2">
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<emphasis id="72C6EA978F12FFEA5F9872788070F8B1" box="[147,257,1852,1873]" italics="true" pageId="1" pageNumber="2">Diagnosis:</emphasis>
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<taxonomicName id="87B24D068F12FFEA5E0772788004F8B2" authorityName="Leach" authorityYear="1817" box="[268,373,1852,1874]" class="Cephalopoda" family="Sepiolidae" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="22" phylum="Mollusca" rank="subFamily" subFamily="Sepiolinae">Sepiolinae</taxonomicName>
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with fins rounded with large anterior lobes, which do not reach the anterior mantle margin; fin length about 50–80% mantle length. Suckers biseriate on all arms. Tentacular club suckers in 4–8 longitudinal series. Nuchal commissure narrow, not reaching over the ocular globes. A pair of dumbbell-shaped photophores on ventral surface of ink sac. Gladius absent. Ventral mantle margin slightly sinuate, without any deep funnel indentation. Right arm I of male hectocotylised. Hectocotylus tripartite: basal part with five suckers in two series, two suckers in dorsal series and three in ventral series; copulatory apparatus long, fleshy, tape like, formed by fusion of two adjoining very elongate sucker stalks, no additional modified structure on the arm (i.e. hook-like stalks); distal to tape-like copulatory apparatus biserial suckers to arm tip (19 suckers in
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<typeStatus id="9F0988278F12FFEA5CA97093828AFA0D" box="[930,1019,1495,1517]" pageId="1" pageNumber="2" type="holotype">holotype</typeStatus>
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, 23 suckers in
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<typeStatus id="9F0988278F12FFEA5B90709C8582FA0D" box="[1179,1267,1496,1517]" pageId="1" pageNumber="2" type="paratype">paratype</typeStatus>
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2). Female bursa copulatrix on right side of mantle cavity, open type (cf.
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<bibRefCitation id="24234B748F12FFEA5A6670B18216F9C9" author="Bello, G." pageId="1" pageNumber="2" pagination="1 - 53" refId="ref15135" refString="Bello, G. 2020. Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera. European Journal of Taxonomy 655: 1 - 53" type="journal article" year="2020">Bello, 2020</bibRefCitation>
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), roughly ear shaped.
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</paragraph>
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<paragraph id="400D36858F12FFEA5C3A737B84F5F909" blockId="1.[814,1448,1599,1769]" pageId="1" pageNumber="2">
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<emphasis id="72C6EA978F12FFEA5C3A737B82D6F9B4" box="[817,935,1599,1620]" italics="true" pageId="1" pageNumber="2">Etymology:</emphasis>
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Generic name
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<taxonomicName id="87B24D068F12FFEA5B36737B85BCF9B4" authorityName="Lu & Okutani" authorityYear="2022" box="[1085,1229,1599,1620]" class="Cephalopoda" family="Sepiolidae" genus="Dextrasepiola" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="2" phylum="Mollusca" rank="genus">
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<emphasis id="72C6EA978F12FFEA5B36737B85BCF9B4" box="[1085,1229,1599,1620]" italics="true" pageId="1" pageNumber="2">Dextrasepiola</emphasis>
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</taxonomicName>
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is derived from Latin
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<emphasis id="72C6EA978F12FFEA5C3B73198200F992" box="[816,881,1629,1650]" italics="true" pageId="1" pageNumber="2">dextra</emphasis>
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meaning right or on the right side plus
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<taxonomicName id="87B24D068F12FFEA5A0B73198438F992" box="[1280,1353,1629,1650]" class="Cephalopoda" family="Sepiolidae" genus="Sepiola" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="2" phylum="Mollusca" rank="species" species="sepiola">
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<emphasis id="72C6EA978F12FFEA5A0B73198438F992" box="[1280,1353,1629,1650]" italics="true" pageId="1" pageNumber="2">sepiola</emphasis>
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</taxonomicName>
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meaning a small cuttlefish. The name denotes the unique feature among the
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<taxonomicName id="87B24D068F12FFEA5C5F73DC82D1F94D" authorityName="Leach" authorityYear="1817" box="[852,928,1688,1709]" class="Cephalopoda" family="Sepiolidae" genus="Sepiola" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="2" phylum="Mollusca" rank="genus">
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<emphasis id="72C6EA978F12FFEA5C5F73DC82D1F94D" box="[852,928,1688,1709]" italics="true" pageId="1" pageNumber="2">Sepiola</emphasis>
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</taxonomicName>
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and its kin having the right dorsal arm hectocotylised instead of the left dorsal one in mature males and the bursa copulatrix in females on the right side of the mantle cavity.
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</paragraph>
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<paragraph id="400D36858F12FFE95C3A724483FAFDD9" blockId="1.[817,1449,1792,1903]" lastBlockId="2.[140,772,229,569]" lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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<emphasis id="72C6EA978F12FFEA5C3A724482E2F8F5" box="[817,915,1792,1813]" italics="true" pageId="1" pageNumber="2">Remarks:</emphasis>
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The hectocotylisation in
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<taxonomicName id="87B24D068F12FFEA5BCD72448441F8F6" authorityName="Leach" authorityYear="1817" box="[1222,1328,1792,1814]" class="Cephalopoda" family="Sepiolidae" kingdom="Animalia" order="Sepiida" pageId="1" pageNumber="22" phylum="Mollusca" rank="subFamily" subFamily="Sepiolinae">Sepiolinae</taxonomicName>
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has been thoroughly discussed and illustrated by
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<bibRefCitation id="24234B748F12FFEA5BEA725A8416F8D4" author="Bello, G." box="[1249,1383,1822,1844]" pageId="1" pageNumber="2" pagination="1 - 53" refId="ref15135" refString="Bello, G. 2020. Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera. European Journal of Taxonomy 655: 1 - 53" type="journal article" year="2020">Bello (2020)</bibRefCitation>
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,
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<bibRefCitation id="24234B748F12FFEA5A7C725A8204F8B1" author="Naef, A." pageId="1" pageNumber="2" pagination="262 - 271" refId="ref15646" refString="Naef, A. 1912 a. Teuthologische Notizen. 3. Die Arten du Gattungen Sepiola und Sepietta. Zoologischer Anzeiger 39: 262 - 271." type="journal article" year="1912">Naef (1912a</bibRefCitation>
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, b; 1923) and
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<bibRefCitation id="24234B748F12FFEA5B0E727F85F4F8B2" author="Nesis, K. N." box="[1029,1157,1851,1874]" pageId="1" pageNumber="2" refId="ref15740" refString="Nesis, K. N. 1982. Cephalopods of the world. English Translation from Russian. Levitov, B. S. (Transl.), Burgess, L. A. (ed.) (1987). T. F. H. Publications: Neptune city. 351 pp." type="book" year="1982">Nesis (1982)</bibRefCitation>
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. All known species have the left dorsal arm hectocotylised and the sucker stalks of some suckers are modified into a horn-like or hook-like copulatory organ. The present genus is unique in having the right dorsal arm hectocotylised and the copulatory organ as one thick tape-like structure. In addition, the hectocotylus has the regular tripartite structure typical of most sepioline genera except for
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<taxonomicName id="87B24D068F11FFE95F8674338189FE6C" authorityName="Steenstrup" authorityYear="1887" box="[141,248,375,396]" class="Cephalopoda" family="Sepiolidae" genus="Euprymna" kingdom="Animalia" order="Sepiida" pageId="2" pageNumber="3" phylum="Mollusca" rank="genus">
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<emphasis id="72C6EA978F11FFE95F8674338189FE6C" box="[141,248,375,396]" italics="true" pageId="2" pageNumber="3">Euprymna</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="87B24D068F11FFE95E22743280E6FE6B" authorityName="Bello" authorityYear="2020" box="[297,407,374,395]" class="Cephalopoda" family="Sepiolidae" genus="Eumandya" kingdom="Animalia" order="Sepiida" pageId="2" pageNumber="3" phylum="Mollusca" rank="genus">
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<emphasis id="72C6EA978F11FFE95E22743280E6FE6B" box="[297,407,374,395]" italics="true" pageId="2" pageNumber="3">Eumandya</emphasis>
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</taxonomicName>
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(cf.
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<bibRefCitation id="24234B748F11FFE95EC87432834BFE6C" author="Bello, G." box="[451,570,374,396]" pageId="2" pageNumber="3" pagination="1 - 53" refId="ref15135" refString="Bello, G. 2020. Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera. European Journal of Taxonomy 655: 1 - 53" type="journal article" year="2020">Bello, 2020</bibRefCitation>
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). The females of all known species of
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<taxonomicName id="87B24D068F11FFE95E4974D780DDFE49" authorityName="Leach" authorityYear="1817" box="[322,428,403,425]" class="Cephalopoda" family="Sepiolidae" kingdom="Animalia" order="Sepiida" pageId="2" pageNumber="22" phylum="Mollusca" rank="subFamily" subFamily="Sepiolinae">Sepiolinae</taxonomicName>
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possess a bursa copulatrix on the left side of the mantle cavity. The present genus is unique in having the bursa copulatrix on the right side of the mantle cavity. This right-handedness of the copulatory organs of both sexes of this genus certainly facilitate copulation in a normal fashion as they are on the same side of the animal.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |